Highways England is reporting that Leicestershire Police and other emergency services are at the scene of the collision.

The crash involved two cars, a van and a lorry.

A spokeswoman for Leicestershire Police said: "We were called at 9.29am this morning to reports of a four vehicle road traffic collision involving two cars, one van and a lorry. Two lanes are blocked."

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11:45

All lanes now open

All lanes are now open again after this morning’s crash.

Leicestershire Police expects traffic to clear shortly.

11:05

The latest situation at junction 21A

(Image: Highways England)

10:40

One lane reopens

One lane has now reopened, according to Leicestershire Police.

It means that just one lane of four is now closed.

10:30

Update from Leicestershire Police

Delays on approach to the crash are increasing, according to Leicestershire Police.

There are now delays of around 50 minutes from junction 22.

10:17

Traffic at a standstill

Here’s how things currently look at junction 22 of the M1:

(Image: Highways England)

10:09

Delays of up to 40 minutes

Leicestershire Police has warned drivers to expect delays of around 40 minutes on approach to the crash.